Science & Exploration
Planck’s cooling system - full view
To achieve the mission goals, the Planck instruments – the Low Frequency Instrument (LFI) and the High Frequency Instrument (HFI) - will operate at a few degrees above absolute zero. To achieve this, a series of cooling stages are required.
Planck’s cooling system - cut view
Planck’s cooling system (at 20 degrees Kelvin), coloured
Planck’s cooling system (at 1 degree Kelvin), coloured
Planck’s cooling system (at 4 degrees Kelvin)
